<?php
namespace app\admin\controller;
use app\common\controller\Base ; 

class File extends Base
{
    


    //控制器初始化
    public function _initialize()
    {
        parent::_initialize();

        $this->model = model('Attachment');
    }
    /**
     * 配置管理
     * @author  lrxin <lrxin@msn.com>
     */
    public function upload($out = true )
    {

$php_path = dirname(__FILE__) . '/';
$php_url = dirname($_SERVER['PHP_SELF']) . '/';

//文件保存目录路径
$save_path = $php_path . '../attached/';
//文件保存目录URL
$save_url = $php_url . '../attached/';

//文件保存目录URL
$save_url = '/uploads/';
//文件保存目录路径
$save_path = $_SERVER['DOCUMENT_ROOT'].$save_url;





//定义允许上传的文件扩展名
$ext_arr = array(
    'image' => array('gif', 'jpg', 'jpeg', 'png', 'bmp'),
    'flash' => array('swf', 'flv'),
    'media' => array('swf', 'flv', 'mp3', 'wav', 'wma', 'wmv', 'mid', 'avi', 'mpg', 'asf', 'rm', 'rmvb'),
    'file' => array('doc', 'docx', 'xls', 'xlsx', 'ppt', 'htm', 'html', 'txt', 'zip', 'rar', 'gz', 'bz2','gif', 'jpg', 'jpeg', 'png', 'bmp'),
);
//最大文件大小
$max_size = 1024*1024*1024*5; //5M

$save_path = realpath($save_path) . '/';

//PHP上传失败
if (!empty($_FILES['imgFile']['error'])) {
    switch($_FILES['imgFile']['error']){
        case '1':
            $error = '超过php.ini允许的大小。';
            break;
        case '2':
            $error = '超过表单允许的大小。';
            break;
        case '3':
            $error = '图片只有部分被上传。';
            break;
        case '4':
            $error = '请选择图片。';
            break;
        case '6':
            $error = '找不到临时目录。';
            break;
        case '7':
            $error = '写文件到硬盘出错。';
            break;
        case '8':
            $error = 'File upload stopped by extension。';
            break;
        case '999':
        default:
            $error = '未知错误。';
    }
    $this->alert($error);
}

//有上传文件时
if (empty($_FILES) === false) {
    //原文件名
    $file_name = $_FILES['imgFile']['name'];
    //服务器上临时文件名
    $tmp_name = $_FILES['imgFile']['tmp_name'];
    //文件大小
    $file_size = $_FILES['imgFile']['size'];
    //检查文件名
    if (!$file_name) {
        $this->alert("请选择文件。");
    }
    //检查目录
    if (@is_dir($save_path) === false) {
        $this->alert("上传目录不存在。");
    }
    //检查目录写权限
    if (@is_writable($save_path) === false) {
        $this->alert("上传目录没有写权限。");
    }
    //检查是否已上传
    if (@is_uploaded_file($tmp_name) === false) {
        $this->alert("上传失败。");
    }
    //检查文件大小
    if ($file_size > $max_size) {
        $this->alert("上传文件大小超过限制。");
    }
    //检查目录名
    $dir_name = empty($_GET['dir']) ? 'image' : trim($_GET['dir']);
    if (empty($ext_arr[$dir_name])) {
        $this->alert("目录名不正确。");
    }
    //获得文件扩展名
    $temp_arr = explode(".", $file_name);
    $file_ext = array_pop($temp_arr);
    $file_ext = trim($file_ext);
    $file_ext = strtolower($file_ext);
    //检查扩展名
    if (in_array($file_ext, $ext_arr[$dir_name]) === false) {
        $this->alert("上传文件扩展名是不允许的扩展名。\n只允许" . implode(",", $ext_arr[$dir_name]) . "格式。");
    }
    //创建文件夹
    if ($dir_name !== '') {
        $save_path .= $dir_name . "/";
        $save_url .= $dir_name . "/";
        if (!file_exists($save_path)) {
            mkdir($save_path);
        }
    }
    $ymd = date("Ymd");
    $save_path .= $ymd . "/";
    $save_url .= $ymd . "/";
    if (!file_exists($save_path)) {
        mkdir($save_path);
    }
    //新文件名
    $new_file_name = date("YmdHis") . '_' . rand(10000, 99999) . '.' . $file_ext;
    //移动文件
    $file_path = $save_path . $new_file_name;
    if (move_uploaded_file($tmp_name, $file_path) === false) {
        $this->alert("上传文件失败。");
    }
    @chmod($file_path, 0644);
    $file_url = $save_url . $new_file_name;


    $uid = session('user_auth.user_id') || $uid = 0 ;
    if( input('uid/d',0) ){$uid = input('uid/d');}

    //上传成功
    $data = [
        // 'uid' => session('user_auth.user_id'),
        'uid' => $uid,
        'title' => $file_name,
        'ext' => $file_ext,
        'type' => $dir_name,  //1图片 0其他 
        'url' => $file_url,
        'size' => $file_size,
    ];

    $rs = model('Attachment')->isUpdate( false )
                    // ->validate('useseal.add')
                    // ->allowField($allowField )
                    ->save($data);
    if(false === $rs){ $this->alert("图片写入数据库失败" . $rs->getError() );}
    $id = model('Attachment')->getLastInsID();

    $attach = model('Attachment')->find($id);

    if( $attach ){
        $attach = $attach->toArray();
        $attach['error'] = 0 ;
    }else{
        $attach = array('error'=>1, 'msg' => '读取图片失败！！！'  ) ;
    }
    header('Content-type: text/html; charset=UTF-8');
    //echo json_encode( array('error' => 0, 'url' => $file_url , 'id' => $id ) );
    echo json_encode( $attach );
    exit;
}




    }//end public function index()

    private function alert($msg) {
            header('Content-type: text/html; charset=UTF-8');
            echo json_encode(array('error' => 1, 'msg' => $msg));
            exit;
    }


    public function getfile($id){
        $rs = $file = model('Attachment')->find($id);
        return json( $rs );
    }

}
